cat image_20201126.txt image_20201127.txt image_20201128.txt image_20201130.txt > all.txt

shuf all.txt -n 230974 -o train.txt
shuf all.txt -n 25664 -o test.txt

head -n 36672493 train.txt > criteo_data/train/train.txt 
tail -n 9168124 train.txt > criteo_data/val/test.txt 
